<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h3>登录</h3>
<h3  style="color: red">登录</h3>
<h3 th:text="${msg}"></h3>
<form method="post" th:action="@{/index/dologin}">
    用户名:<input type="text" name="username"/><br/>
    密码：<input type="password" name="password"/><br/>
    <input type="submit" value="登录"/>
</form>
</body>
</html>